This is the official Kendo UI CDN.

Only the official Kendo UI releases and service packs are uploaded to the CDN. Internal builds are not available on CDN. To access the Kendo UI CDN services, you can use either the HTTP or the HTTPS protocol.

Using the HTTP Protocol The URL is still active but is no longer recommended for new projects.

The minified versions of all JavaScript files are available at the following locations:

Kendo UI Products resources.

Kendo UI for jQuery